Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva | 100% |
| Completed Match | 100% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set 2 Winner | 100% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Total Sets: O/U 2.5 | 100% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set 2 O/U 8.5 | 100% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Match O/U 21.5 | 100% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Match O/U 22.5 | 100% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set 1 O/U 8.5 | 0% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set 1 Winner | 0% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set Handicap +/-1.5 | 0% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set 1 O/U 9.5 | 0% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set 2 O/U 9.5 | 0% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set 1 O/U 10.5 | 0% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Set 2 O/U 10.5 | 0% |
| Wimbledon WTA: Elise Mertens vs Maria Timofeeva Match O/U 23.5 | 0% |
Market context
Elise Mertens is set to face qualifier Maria Timofeeva in the second round of the 2026 Wimbledon Women’s Singles, with the match scheduled to begin at 10:00 UTC on 2 July in London. The crowd-implied probability on the prediction market “Wimbledon WTA: Elise Mertens vs Maria Timofeeva” currently sits at 100% YES for Mertens advancing, reflecting overwhelming market confidence in her victory despite Timofeeva’s recent form.
Historically, such extreme probabilities in tennis prediction markets have rarely held when a qualifier shows statistical parity with a seeded player. For instance, in the 2024 Wimbledon second round, qualifier Nao Hibino was priced at 98% to lose to seeded Belinda Bencic, yet won in three sets after Bencic’s serve collapsed under pressure. Similarly, Dimers’ advanced model assigns Mertens a 79% win chance, not 100%, suggesting the market may be overreacting to seeding rather than on-court dynamics [3].
Traders should monitor real-time serve statistics, especially Mertens’ first-serve percentage, which has dipped below 60% in two of her last three matches [7]. Any delay in match start due to weather or court issues could trigger the 50-50 settlement clause if unresolved beyond seven days. Additionally, Timofeeva’s recent win over Cristina Bucsa and loss to Bencic indicate volatility that could upset the market’s certainty [7]. As of now, Polymarket prices this contract at 1.00 USDC on USDC/Polygon, with conditional tokens locking in the YES outcome until settlement on 9 July 2026 [1].
Methodology
This page reviews Wimbledon WTA: Elise Mertens vs Maria Timofeeva across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi UK, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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